Dap is a word used to refer to a friendly greeting in which two people tap their fists together. This popular greeting has several synonyms which include; Pound it, Fist bump, knuckle bump, brotherly tap, soul tap, ghetto handshake, fist pound, and dap-up among others. Dap originated from African American culture and has gained popularity worldwide due to its simplicity and subtlety. The use of synonyms enables people to communicate more effectively and creatively by avoiding being repetitive. All in all, dap is a common social greeting that is appreciated by many and can be used in various settings such as sports, business, and social gatherings.